🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.4 AU - 0.64 AU

Year: 140 Days

Day: 28.9 Hours

Environment

Temp: 235 °C

Axial Tilt: 45.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.58 AU - 0.74 AU

Year: 200 Days

Day: 21.3 Hours

Environment

Temp: 153 °C

Axial Tilt: 46.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,513,615 km

• M1: 41,887 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.99 AU - 1.21 AU

Year: 430 Days

Day: 25.4 Hours

Environment

Temp: 21 °C

Axial Tilt: 3.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Ice Giant

Semi-Major Axis: 13.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114

Radius: 6.9

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 12.87 AU - 13.31 AU

Year: 17655 Days

Day: 20.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,513,615 km

• M1: 85,869 km (0.114 R)
• M2: 441,763 km (0.064 R)
• M3: 700,716 km (0.056 R)
• M4: 1,893,610 km (0.044 R)
• M5: 4,024,781 km (0.107 R)
• M6: 5,005,545 km (0.097 R)
• M7: 8,058,538 km (0.108 R)
• M8: 8,894,341 km (0.04 R)
• M9: 9,333,112 km (0.103 R)
• M10: 9,740,467 km (0.11 R)
• M11: 10,301,758 km (0.105 R)
• M12: 12,654,933 km (0.102 R)
• M13: 16,689,737 km (0.058 R)
• M14: 18,112,263 km (0.103 R)
• M15: 18,674,751 km (0.081 R)
• M16: 19,176,502 km (0.067 R)
• M17: 22,780,913 km (0.062 R)
• M18: 23,602,056 km (0.095 R)
• M19: 28,193,215 km (0.093 R)
• M20: 31,095,264 km (0.084 R)
• M21: 36,364,550 km (0.116 R)
• M22: 38,398,482 km (0.053 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 14,038 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit